17145640

素因数分解:

$2^3\times 5^1\times {\mathrm{499}}^1\times {\mathrm{859}}^1$

素因数の和:1369

約数の個数: 32

約数和(自身を含む): 38700000

約数和(自身を除く): 21554360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 499, 859, 998, 1718, 1996, 2495, 3436, 3992, 4295, 4990, 6872, 8590, 9980, 17180, 19960, 34360, 428641, 857282, 1714564, 2143205, 3429128, 4286410, 8572820, 17145640]

約数ペア:

[(1, 17145640), (2, 8572820), (4, 4286410), (5, 3429128), (8, 2143205), (10, 1714564), (20, 857282), (40, 428641), (499, 34360), (859, 19960), (998, 17180), (1718, 9980), (1996, 8590), (2495, 6872), (3436, 4990), (3992, 4295)]